may timetable
Regular verb: timetable - timetabled- timetabled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may timetable
you may timetable
she may timetable
we may timetable
you may timetable
they may timetable 	I may be timetabling
you may be timetabling
she may be timetabling
we may be timetabling
you may be timetabling
they may be timetabling	I may have timetabled
you may have timetabled
she may have timetabled
we may have timetabled
you may have timetabled
they may have timetabled	I may have been timetabling
you may have been timetabling
she may have been timetabling
we may have been timetabling
you may have been timetabling
they may have been timetabling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't timetable
you mayn't timetable
she mayn't timetable
we mayn't timetable
you mayn't timetable
they mayn't timetable 	I mayn't be timetabling
you mayn't be timetabling
she mayn't be timetabling
we mayn't be timetabling
you mayn't be timetabling
they mayn't be timetabling	I mayn't have timetabled
you mayn't have timetabled
she mayn't have timetabled
we mayn't have timetabled
you mayn't have timetabled
they mayn't have timetabled	I mayn't have been timetabling
you mayn't have been timetabling
she mayn't have been timetabling
we mayn't have been timetabling
you mayn't have been timetabling
they mayn't have been timetabling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I timetable?
may you timetable?
may she timetable?
may we timetable?
may you timetable?
may they timetable? 	may I be timetabling?
may you be timetabling?
may she be timetabling?
may we be timetabling?
may you be timetabling?
may they be timetabling? 	may I have timetabled?
may you have timetabled?
may she have timetabled?
may we have timetabled?
may you have timetabled?
may they have timetabled? 	may I have been timetabling?
may you have been timetabling?
may she have been timetabling?
may we have been timetabling?
may you have been timetabling?
may they have been timetabling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I timetable?
mayn't you timetable?
mayn't she timetable?
mayn't we timetable?
mayn't you timetable?
mayn't they timetable? 	mayn't I be timetabling?
mayn't you be timetabling?
mayn't she be timetabling?
mayn't we be timetabling?
mayn't you be timetabling?
mayn't they be timetabling? 	mayn't I have timetabled?
mayn't you have timetabled?
mayn't she have timetabled?
mayn't we have timetabled?
mayn't you have timetabled?
mayn't they have timetabled? 	mayn't I have been timetabling?
mayn't you have been timetabling?
mayn't she have been timetabling?
mayn't we have been timetabling?
mayn't you have been timetabling?
mayn't they have been timetabling?